51636770

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 94936320

約数和(自身を除く): 43299550

約数列:

[1, 2, 5, 10, 79, 158, 163, 326, 395, 401, 790, 802, 815, 1630, 2005, 4010, 12877, 25754, 31679, 63358, 64385, 65363, 128770, 130726, 158395, 316790, 326815, 653630, 5163677, 10327354, 25818385, 51636770]

約数ペア:

[(1, 51636770), (2, 25818385), (5, 10327354), (10, 5163677), (79, 653630), (158, 326815), (163, 316790), (326, 158395), (395, 130726), (401, 128770), (790, 65363), (802, 64385), (815, 63358), (1630, 31679), (2005, 25754), (4010, 12877)]